20681196

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1487}}^1$

素因数の和:1574

約数の個数: 48

約数和(自身を含む): 51663360

約数和(自身を除く): 30982164

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 61, 76, 114, 122, 183, 228, 244, 366, 732, 1159, 1487, 2318, 2974, 3477, 4461, 4636, 5948, 6954, 8922, 13908, 17844, 28253, 56506, 84759, 90707, 113012, 169518, 181414, 272121, 339036, 362828, 544242, 1088484, 1723433, 3446866, 5170299, 6893732, 10340598, 20681196]

約数ペア:

[(1, 20681196), (2, 10340598), (3, 6893732), (4, 5170299), (6, 3446866), (12, 1723433), (19, 1088484), (38, 544242), (57, 362828), (61, 339036), (76, 272121), (114, 181414), (122, 169518), (183, 113012), (228, 90707), (244, 84759), (366, 56506), (732, 28253), (1159, 17844), (1487, 13908), (2318, 8922), (2974, 6954), (3477, 5948), (4461, 4636)]